What is the definition of an IP address?

An IP address is defined as a unique identifier assigned to each device connected to a network, enabling devices to communicate with each other over the internet or within a local network. Each IP address serves as a distinct label that allows for the routing of data packets to the correct destination. Just like a home address helps to locate a specific house, an IP address helps to identify a specific device among all the devices connected to a network.

This unique identifier is essential for ensuring that data sent across the network reaches the intended recipient. For example, when you send an email or access a website, your device uses its IP address to send and receive information accurately.

The other options, while related to networking concepts, do not correctly define an IP address. The maximum data transfer rate of a connection describes bandwidth but does not address identification. A version of Internet Protocol refers to the different standards (like IPv4 or IPv6) but lacks the full definition of what an IP address is. Finally, a type of network security protocol relates to methods for securing data transmitted across networks and is unrelated to the fundamental purpose of an IP address itself.